Câu hỏi: My father asked me where had I gone the night before.

A. the

B. asked me

C. had I

D. before

Câu 1: The number of students attending universities to study economics have increased steadily in the last few years.

A. of students

B. attending

C. economics

D. have

Câu 2: Proteins are made up of folded irregularly chains, the links of which are amino acids.

A. made up of

B. folded irregularly

C. the links

D. which

Câu 3: Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I

D. the

Câu 4: The world is becoming more industrialized and the number of animal species that have become extinct have increased.

A. industrialized

B. species

C. extinct 

D. have

Câu 5: The harder he tried, the worst he danced before the large audience.

A. worst

B. the

C. before

D. tried

Câu 6: It is recommended that people to take regular exercise.

A. recommended

B. people

C. to take

D. exercise